If you are interested in knowing more about Cloud Computing from a programmer's point of view and find out how it's going to affect your career as a software developer, here is your book:
You can download it for FREE from Wednesday the 22nd of May 2013 for 5 days as part of a promotion! After that It will still be available for a nominal charge. It's a little book, quick to read and packed with valuable information.
More details on the book's Amazon page: Cloud Computing for Programmers